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Finding the Fourth Proportional to 28,594.63, 42,892.23 and 7,537.69

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Solution

The fourth proportional to 28,594.63, 42,892.23 and 7,537.69 is: 11,306.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,594.63 : 42,892.23 = 7,537.69 : x
  2. Step 2: Convert to fraction form
    28,594.63/42,892.23 = 7,537.69/x
  3. Step 3: Cross multiply
    28,594.63x = 42,892.23 × 7,537.69
  4. Step 4: Simplify right side
    28,594.63x = 323,308,415.03
  5. Step 5: Solve for x
    x = 323,308,415.03/28,594.63
  6. Step 6: Final answer
    x = 11,306.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.